Abstract
Measurement of QoS metric of multimedia traffic classes in wireless sensor networks
Highlights
Since wireless sensor networks (WSNs) based on different communication structure, development of micro-electro-mechanical systems (MEMS) opened new research and application areas
WSNs require specific application designed for current phenomenon sensed
In this paper probability of blocking (PB) of the system were analyzed as a quality of services (QoS) metric
Summary
Since wireless sensor networks (WSNs) based on different communication structure, development of micro-electro-mechanical systems (MEMS) opened new research and application areas. The quality of video frames and pictures taken by these cameras is low, the size still becomes main challenges in transferring data In this context WSNs require high bandwidth, where it results in additional energy consumption [3]. New well designed and effective routing protocols are required in order to eliminate latency time of applications In this regard, queueing of multimedia data in each node should be investigated deeply in order to diminish the energy consumption and prolong the network life. Quality Metrics in WSNs Since sensor nodes have limited unreplacable energy resource, this issue became main factor in research related to routing protocol, path selection, queue and buffer management and etc. Quality metric for WSN can be determined depending on different research area such as path selection, MAC layer protocol, queue ordering, error correction and etc. Based on the exact formulas of state probabilities, we did numerical analyses for the proposed model and find expected outcomes
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